/* linux/net/inet/arp.h */
#ifndef _ARP_H
#define _ARP_H

#include <linux/if_arp.h>
#include <linux/hash.h>
#include <net/neighbour.h>


extern struct neigh_table arp_tbl;

static inline u32 arp_hashfn(const void *pkey, const struct net_device *dev, u32 *hash_rnd)
{
	u32 key = *(const u32 *)pkey;
	u32 val = key ^ hash32_ptr(dev);

	return val * hash_rnd[0];
}

static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key)
{
	return ___neigh_lookup_noref(&arp_tbl, neigh_key_eq32, arp_hashfn, &key, dev);
}

static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key)
{
	struct neighbour *n;

	rcu_read_lock_bh();
	n = __ipv4_neigh_lookup_noref(dev, key);
	if (n && !atomic_inc_not_zero(&n->refcnt))
		n = NULL;
	rcu_read_unlock_bh();

	return n;
}

void arp_init(void);
int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg);
void arp_send(int type, int ptype, __be32 dest_ip,
	      struct net_device *dev, __be32 src_ip,
	      const unsigned char *dest_hw,
	      const unsigned char *src_hw, const unsigned char *th);
int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir);
void arp_ifdown(struct net_device *dev);

struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
			   struct net_device *dev, __be32 src_ip,
			   const unsigned char *dest_hw,
			   const unsigned char *src_hw,
			   const unsigned char *target_hw);
void arp_xmit(struct sk_buff *skb);

#endif	/* _ARP_H */
ht'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/Documentation'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/Documentation'>
<input type='hidden' name='id' value='c11dea5b0290984fa48111957ba3fdc5b3bdae5a'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>Documentation</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c11dea5b0290984fa48111957ba3fdc5b3bdae5a'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Dave Airlie &lt;airlied@redhat.com&gt;</td><td class='right'>2016-07-22 11:40:24 +1000</td></tr>
<tr><th>committer</th><td>Dave Airlie &lt;airlied@redhat.com&gt;</td><td class='right'>2016-07-22 11:40:24 +1000</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>c11dea5b0290984fa48111957ba3fdc5b3bdae5a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>0bbdd88c17e5624f5ef8bbe395593f65300ffa5a</a> /<a href='/cgit.cgi/linux/net-next.git/tree/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>Documentation</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?id=c8c21231f0808d78347062704c54321d97303cf0'>c8c21231f0808d78347062704c54321d97303cf0</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a&amp;id2=c8c21231f0808d78347062704c54321d97303cf0'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation?id=c4a304d3b1dc9d1732b5d78cc190b5c3e41870d4'>c4a304d3b1dc9d1732b5d78cc190b5c3e41870d4</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a&amp;id2=c4a304d3b1dc9d1732b5d78cc190b5c3e41870d4'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu into drm-next</div><div class='commit-msg'>This adds drm bridge support for the NXP/Freescale DCU. The patchset
has been discussed on the mailing list since quite some time...
Plus there is a small fix provided by Peter.

* 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
  drm/fsl-dcu: add support for drm bridge
  drm/fsl-dcu: rework codes to support of_graph dt binding for panel
  drm/fsl-dcu: add missing of_node_put after calling of_parse_phandle
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c11dea5b0290984fa48111957ba3fdc5b3bdae5a'>Diffstat</a> (limited to 'Documentation')</div><table summary='diffstat' class='diffstat'>